Fella I know very well that Mk4 Golf R line pre-dates the clio
Its just there are a 10's of thousands of the Clios out there and a hand full of R's
The un-informed will just think a Mk4 R line bumper is some horrible an after market part from halfords made up to emulate the Clio.
And, to make matters worse the informed will just think, due to the rarity, that its a non genuine bumper.